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| author | Amit Shah <amit.shah@redhat.com> | 2009-06-30 16:24:28 +0530 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:33:21 +0300 |
| commit | 1f3ee616dd21ff155f781c35509229bf2788c072 (patch) | |
| tree | 5b2d4d5085cd1fa4691b2c78b5e4e023865c0f81 /arch/x86 | |
| parent | eab4b8aa34fc64e3a91358e1612e6d059396193b (diff) | |
KVM: ignore reads to perfctr msrs
We ignore writes to the perfctr msrs. Ignore reads as well.
Kaspersky antivirus crashes Windows guests if it can't read
these MSRs.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/x86.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 92b5eddaa87..132c5100d4f 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1048,9 +1048,12 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_K8_SYSCFG: case MSR_K7_HWCR: case MSR_VM_HSAVE_PA: + case MSR_P6_PERFCTR0: + case MSR_P6_PERFCTR1: case MSR_P6_EVNTSEL0: case MSR_P6_EVNTSEL1: case MSR_K7_EVNTSEL0: + case MSR_K7_PERFCTR0: case MSR_K8_INT_PENDING_MSG: case MSR_AMD64_NB_CFG: case MSR_FAM10H_MMIO_CONF_BASE: |